/*
 * Copyright (C) 2018 The Asiainfo-Ability Authors
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */

package org.asiainfo.ability.provider.custom;

import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.ClientHttpResponse;

import java.io.IOException;

/**
 * @Author: visen
 * @Date: 2018/4/1
 * @Description:
 */
public class RestInterceptor implements ClientHttpRequestInterceptor {
    @Override
    public ClientHttpResponse intercept(HttpRequest request, byte[] body
            , ClientHttpRequestExecution execution) throws IOException {
        RequestContext requestContext = RequestContext.getCurrentContext();
        if(requestContext.get(RequestContext.TRACE_ID) != null) {
            request.getHeaders().add(RequestContext.TRACE_ID, (String)requestContext
                    .get(RequestContext.TRACE_ID));
            request.getHeaders().add(RequestContext.BIZ_ID, (String)requestContext
                    .get(RequestContext.BIZ_ID));
            request.getHeaders().add(RequestContext.SPAN_ID, (String)requestContext
                    .get(RequestContext.SPAN_ID));
        }
        try {
            return execution.execute(request, body);
        } catch (IOException e) {
            throw e;
        } finally {

        }

    }
}
